package spring.inter.impl;

import spring.inter.Paper;

/**
 * @author 吴阳基
 * @datetime 2024/1/10 9:41
 */
public class TextPaper implements Paper {
    private int charPerLine = 16;
    private int linePerPage = 5;
    private String content = "";
    private int posX = 0;
    private int posY = 0;
    private int posP = 1;

    @Override
    public void putInChar(char c) {
        content += c;
        posX++;

        if (posX == charPerLine) {
            content += Paper.newline;
            posX = 0;
            posY++;
        }
        if (posY == linePerPage) {
            content += "== 第" + posP + "页 ==";
            content += Paper.newline + Paper.newline;
            posY = 0;
            posP++;
        }
    }

    @Override
    public String getContent() {
        String ret = this.content;
        if (!(posX == 0 && posY == 0)) {
            int count = linePerPage - posY;
            for (int i = 0; i < count; i++) {
                ret += Paper.newline;
            }
            ret += "== 第" + posP + "页 ==";
        }
        return ret;
    }

    public void setCharPerLine(int charPerLine) {
        this.charPerLine = charPerLine;
    }

    public void setLinePerPage(int linePerPage) {
        this.linePerPage = linePerPage;
    }
}

